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Balancing Chemical Equations (Simplified)

7. Chemical Reactions / Balancing Chemical Equations (Simplified) / Problem 5

Problem 5

Balance the equation: Fe + O₂ → Fe₂O₃. What are the coefficients?

A

3, 2, 1

B

2, 1, 1

C

1, 1, 1

D

4, 3, 2